Brain & Behavior

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Updated: 13 weeks 9 hours ago

Human stem cells promote healing of diabetic ulcers

Mon, 04/20/2009 - 6:30am

Treatment of chronic wounds is a continuing clinical problem and socio-economic burden with diabetic foot ulcers alone costing the NHS GBP300 million a year. Scientists in Bristol have found that human foetal stem cells can effectively be used to treat back leg ischaemic ulcers in a model of type 1 diabetes.

New study finds continued abstinence is key to increased survival from alcohol-related liver disease

Mon, 04/20/2009 - 6:30am

However, the downside is that up a quarter of people with alcohol-related cirrhosis die before they get the chance to stop drinking. Alcohol-related cirrhosis develops silently but usually presents with an episode of internal bleeding or jaundice - which is often fatal.

Study identifies genes that protect against aging

Mon, 04/20/2009 - 6:30am

Scientists at the University of Liverpool have developed a new method to help researchers identify genes that can help protect the body during the ageing process.

Barely legal -- new study into whether alcohol affects perceptions of age

Mon, 04/20/2009 - 6:30am

A new study led by the University of Leicester has demonstrated that consuming alcohol did not affect how men judged the age of women. This has important legal implications if alcohol is cited as a cause of impairing judgement in cases of unlawful sex with a minor.

Scientists discover 'dancing' algae

Mon, 04/20/2009 - 6:30am

Scientists at the Cambridge University have discovered that freshwater algae can form stable groupings in which they dance around each other, miraculously held together only by the fluid flows they create. Their research was published today in the journal Physical Review Letters.

International team cracks mammalian gene control code

Mon, 04/20/2009 - 6:30am

An international consortium of scientists, including researchers from The University of Queensland (UQ), have probed further into the human genome than ever before.

They have discovered how genes are controlled in mammals, as well as the tiniest genetic element ever found.

Their discoveries will be published in three milestone papers in leading journal Nature Genetics.

New insight into Rett syndrome severity

Mon, 04/20/2009 - 6:30am

A research collaboration between Australia and Israel has identified a genetic variation that influences the severity of symptoms in Rett syndrome.

The finding is published in the latest edition of the international journal Neurology.

Consumers respond to lower calorie beverage options

Mon, 04/20/2009 - 6:30am

NEW ORLEANS - At Experimental Biology 2009, Dr. Maureen Storey, senior vice president of science policy for the American Beverage Association, today briefed colleagues on her new analysis indicating that consumers of all ages are drinking more lower-calorie beverages than they did several years ago.

Ecologists put price tag on invasive species

Mon, 04/20/2009 - 6:30am

Invasive species can disrupt natural and human-made ecosystems, throwing food webs out of balance and damaging the services they provide to people. Now scientists have begun to put a price tag on this damage.

Newly discovered epidermal growth factor receptor active in human pancreatic cancers

Sat, 04/18/2009 - 8:30am

Finally some promising news about pancreatic cancer, one of the most fatal cancers, due to the difficulties of early detection and the lack of effective therapies: Johns Hopkins University pathologist Akhilesh Pandey has identified an epidermal growth factor receptor aberrantly active in approximately a third of the 250 human pancreatic cancers studied.

Smoothing out fluctuations in wind power with "wind"

Sat, 04/18/2009 - 6:43am

In reading the current issue of New Scientist, I found a pointer to a blog entry called "Bug eats electricity, farts biogas."

Needless to say, I had to learn more.

Maternal immune response to fetal brain during pregnancy a key factor in some autism

Fri, 04/17/2009 - 1:30pm

New studies in pregnant mice using antibodies against fetal brains made by the mothers of autistic children show that immune cells can cross the placenta and trigger neurobehavioral changes similar to autism in the mouse pups.

Autopsy study links prostate cancer to single rogue cell

Fri, 04/17/2009 - 1:30pm

One cell...one initial set of genetic changes - that's all it takes to begin a series of events that lead to metastatic cancer. Now, Johns Hopkins experts have tracked how the cancer process began in 33 men with prostate cancer who died of the disease.

Scripps research team invents first technique for producing promising anti-leukemia agent

Fri, 04/17/2009 - 12:30pm

Kapakahines, marine-derived natural products isolated from a South Pacific sponge in trace quantities, have shown anti-leukemia potential, but studies have been all but stalled by kapakahines' lack of availability.

'Instant on' computing

Fri, 04/17/2009 - 12:30pm

The ferroelectric materials found in today's "smart cards" used in subway, ATM and fuel cards soon may eliminate the time-consuming booting and rebooting of computer operating systems by providing an "instant-on" capability as well as preventing losses from power outages.

OptiNose presents new data on highly effective treatment for chronic rhinosinusitis

Fri, 04/17/2009 - 12:30pm

PHILADELPHIA, PA - April 17, 2009. OptiNose today announced important new results from a Phase II trial of its novel nasal drug delivery device with fluticasone for the treatment of chronic rhinosinusitis. Patients in the active treatment group experienced significant improvements in nasal symptoms, nasal discomfort and sense of smell.

Discovered after 40 years: Moon dust hazard influenced by Sun's elevation

Fri, 04/17/2009 - 11:30am

In the 1960s and 1970s, the Apollo Moon Program struggled with a minuscule, yet formidable enemy: sticky lunar dust. Four decades later, a new study reveals that forces compelling lunar dust to cling to surfaces -- ruining scientific experiments and endangering astronauts' health --change during the lunar day with the elevation of the sun.

Increasing carbon dioxide and decreasing oxygen make it harder for deep-sea animals to 'breathe'

Fri, 04/17/2009 - 11:30am

MOSS LANDING, CA -- New calculations made by marine chemists from the Monterey Bay Aquarium Research Institute (MBARI) suggest that low-oxygen "dead zones" in the ocean could expand significantly over the next century. These predictions are based on the fact that, as more and more carbon dioxide dissolves from the atmosphere into the ocean, marine animals will need more oxygen to survive.

TGen researchers discover possible way to block the spread of deadly brain tumors

Fri, 04/17/2009 - 9:30am

PHOENIX, Ariz. - April 17, 2009 - Researchers at the Translational Genomics Research Institute (TGen) may have found a way to stop the often-rapid spread of deadly brain tumors.

Fossils suggest earlier land-water transition of tetrapod

Fri, 04/17/2009 - 9:30am

DURHAM, N.C. -- New evidence gleaned from CT scans of fossils locked inside rocks may flip the order in which two kinds of four-limbed animals with backbones were known to have moved from fish to landlubber.